Color

#3e4ea8

#3e4ea8
hex#3e4ea8
rgbrgb(62, 78, 168)
hslhsl(231, 46%, 45%)
oklchoklch(0.462 0.145 271.9)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.093

Colors that go with #3e4ea8

Charcoal, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a8983e

#3e83a8 · #633ea8

#a83e4e · #4ea83e

Split-complementary

Open in tool →

#a8633e · #83a83e

#a83e83 · #a8983e · #3ea863

Contrast

#3e4ea8 as textRatioAAAA largeAAAFix
Aaon white
7.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.86:1failfailfail
  • AA: use #5f6ec4 as the text (4.51:1)
  • AAA: use #8893d3 as the text (7.16:1)
  • AA: or shift the background to #cccccc (4.57:1)
  • AAA: or shift the background to #fafafa (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3e4ea8 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3e4ea8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3e4ea8
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3e4ea8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3e4ea8-9c9ec4-df834e-231f2d-e9eef1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md